Wholesale Liquid Rubber - Maleic Anhydride Grafted Polybutadiene (MLPB) Manufacturers, Pricelist

Maleic anhydride grafted polybutadiene is commonly used in adhesive and sealant applications in automotive coatings, construction, electronics, polyurethane plastics, polymer modifiers, etc., and has excellent electrical insulation, high water resistance, high cold resistance, low oxygen permeability and chemical resistance.

Product Description

Maleic anhydride grafted polybutadiene is widely applied in adhesive and sealant formulations across automotive coatings, construction, electronics, polyurethane plastics, and polymer modifiers. Delivering superior material performance, it exhibits exceptional electrical insulation, high water resistance, cold endurance, low oxygen permeability, and robust chemical resistance. Additionally, it serves as an effective toughening agent for epoxy resins.

Key Applications

Automotive coatings, construction, electronics, polyurethane plastics, polymer modifiers, and epoxy resin toughening.

Performance Properties

Outstanding electrical insulation, water resistance, low-temperature flexibility, low oxygen permeability, and chemical resistance.

Technical Specifications

Product Grade MA-I MA-Ⅰ Type H MA-II MA-Ⅲ MA-IV
Number Average Molecular Weight, Mn 1000-1200 2700 3300 5400
1,2 Structural Contents, % 20-35 60-70 20-35
Acid Value, mmol-KOH/g 30-45 20-30 40-55 80-100
Viscosity (25℃), Pa.S ≤5 ≤20 ≤10 ≤50
Volatile Matter, % ≤0.50
Appearance Light yellow transparent liquid Brown transparent liquid

Frequently Asked Questions (FAQ)

What are the main applications of Maleic Anhydride Grafted Polybutadiene?

It is widely utilized in adhesives and sealants across automotive coatings, construction, electronics, polyurethane plastics, and polymer modifiers. It is also used as a performance enhancer for toughening epoxy resins.

What key performance benefits does this polymer provide?

The material offers excellent electrical insulation, high water resistance, superior cold resistance, low oxygen permeability, and strong chemical resistance.

How do the different product grades differ in molecular weight (Mn)?

Grades MA-I and MA-Ⅰ Type H feature a molecular weight of 1000-1200, MA-II has an Mn of 2700, MA-Ⅲ features 3300, and MA-IV has the highest molecular weight at 5400.

What are the standard visual appearances for these grades?

MA-I and MA-Ⅰ Type H present as light yellow transparent liquids, whereas MA-II, MA-Ⅲ, and MA-IV appear as brown transparent liquids.

What is the volatile matter threshold across all product grades?

All product grades (MA-I through MA-IV) consistently maintain a low volatile matter level of ≤0.50%.

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